Question

21. A true breeding tall plant is crossed with a true breeding dwarf plant. F1 progeny is
100% tall and F2 has tall: dwarf in the
ratio 3:1.
(a) Explain why F1 shows only one type of
parental phenotype.
(b) Name the patterns of inheritance in
which the ratio deviates from the
above. Also, mention the deviated
phenotypic ratio.​

Answer 1

Answer:

(a) because true breeding tall has genotype TT. which is dominat over tt, so all tall

(b) Yes but rather than remembering a pattern, you should practice Checkers board, you will get all of your answer automatically and I bet you will enjoy your efforts.